Grcov report - mod.rs

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// Copyright 2019-2025 PureStake Inc.

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// This file is part of Moonbeam.

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// Moonbeam is free software: you can redistribute it and/or modify

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// it under the terms of the GNU General Public License as published by

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// the Free Software Foundation, either version 3 of the License, or

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// (at your option) any later version.

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// Moonbeam is distributed in the hope that it will be useful,

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// but WITHOUT ANY WARRANTY; without even the implied warranty of

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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// GNU General Public License for more details.

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// You should have received a copy of the GNU General Public License

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// along with Moonbeam.  If not, see <http://www.gnu.org/licenses/>.

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use crate::{mock::*, Error, RawOrigin};

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use ethereum::TransactionV3;

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use ethereum_types::{H160, U256};

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use frame_support::{

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	assert_noop, assert_ok,

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	dispatch::{Pays, PostDispatchInfo},

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	traits::{ConstU32, Get},

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	weights::Weight,

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	BoundedVec,

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};

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use sp_runtime::{DispatchError, DispatchErrorWithPostInfo};

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use xcm_primitives::{EthereumXcmTransaction, EthereumXcmTransactionV2, XcmToEthereum};

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// 	pragma solidity ^0.6.6;

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// 	contract Test {

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// 		function foo() external pure returns (bool) {

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// 			return true;

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// 		}

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// 		function bar() external pure {

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// 			require(false, "error_msg");

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// 		}

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// 	}

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const CONTRACT: &str = "608060405234801561001057600080fd5b50610113806100206000396000f3fe6080604052\

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						348015600f57600080fd5b506004361060325760003560e01c8063c2985578146037578063\

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						febb0f7e146057575b600080fd5b603d605f565b6040518082151515158152602001915050\

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						60405180910390f35b605d6068565b005b60006001905090565b600060db576040517f08c3\

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						79a00000000000000000000000000000000000000000000000000000000081526004018080\

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						602001828103825260098152602001807f6572726f725f6d73670000000000000000000000\

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						00000000000000000000000081525060200191505060405180910390fd5b56fea264697066\

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						7358221220fde68a3968e0e99b16fabf9b2997a78218b32214031f8e07e2c502daf603a69e\

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						64736f6c63430006060033";

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48

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fn xcm_evm_transfer_eip_1559_transaction(destination: H160, value: U256) -> EthereumXcmTransaction {

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	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

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		gas_limit: U256::from(0x5208),

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		action: ethereum::TransactionAction::Call(destination),

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12

		value,

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		input:

54

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			BoundedVec::<u8, ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>>::try_from(

55

12

				vec![],

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12

57

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			.unwrap(),

58

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		access_list: None,

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})

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12

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2

fn xcm_evm_call_eip_1559_transaction(destination: H160, input: Vec<u8>) -> EthereumXcmTransaction {

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	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

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		gas_limit: U256::from(0x100000),

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		action: ethereum::TransactionAction::Call(destination),

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		value: U256::zero(),

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2

		input:

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			BoundedVec::<u8, ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>>::try_from(

69

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				input,

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2

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			.unwrap(),

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		access_list: None,

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2

})

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2

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76

1

fn xcm_erc20_creation_eip_1559_transaction() -> EthereumXcmTransaction {

77

1

	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

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1

		gas_limit: U256::from(0x100000),

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1

		action: ethereum::TransactionAction::Create,

80

1

		value: U256::zero(),

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1

		input:

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			BoundedVec::<u8, ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>>::try_from(

83

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				hex::decode(CONTRACT).unwrap(),

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1

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			.unwrap(),

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		access_list: None,

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1

})

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1

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#[test]

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1

fn test_transact_xcm_evm_transfer() {

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	let (pairs, mut ext) = new_test_ext(2);

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	let alice = &pairs[0];

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	let bob = &pairs[1];

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1

96

1

	ext.execute_with(|| {

97

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		let balances_before = System::account(&bob.account_id);

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1

		EthereumXcm::transact(

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			RawOrigin::XcmEthereumTransaction(alice.address).into(),

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			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

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1

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		.expect("Failed to execute transaction");

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1

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		assert_eq!(

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			System::account(&bob.account_id).data.free,

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			balances_before.data.free + 100

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1

);

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});

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1

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#[test]

112

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fn test_transact_xcm_create() {

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	let (pairs, mut ext) = new_test_ext(1);

114

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	let alice = &pairs[0];

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1

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	ext.execute_with(|| {

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		assert_noop!(

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			EthereumXcm::transact(

119

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				RawOrigin::XcmEthereumTransaction(alice.address).into(),

120

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				xcm_erc20_creation_eip_1559_transaction()

121

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),

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			DispatchErrorWithPostInfo {

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				post_info: PostDispatchInfo {

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					actual_weight: Some(Weight::zero()),

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					pays_fee: Pays::Yes,

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},

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				error: DispatchError::Other("Cannot convert xcm payload to known type"),

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1

129

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);

130

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});

131

1

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#[test]

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fn test_transact_xcm_evm_call_works() {

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	let (pairs, mut ext) = new_test_ext(2);

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	let alice = &pairs[0];

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	let bob = &pairs[1];

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1

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	ext.execute_with(|| {

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		let t = EthereumXcmTransactionV2 {

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			gas_limit: U256::from(0x100000),

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			action: ethereum::TransactionAction::Create,

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			value: U256::zero(),

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			input: hex::decode(CONTRACT).unwrap().try_into().unwrap(),

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			access_list: None,

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1

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		.into_transaction(U256::zero(), Default::default(), true)

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		.unwrap();

149

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		assert!(matches!(t, TransactionV3::EIP1559(_)));

150

1

		assert_ok!(Ethereum::execute(alice.address, &t, None, None));

151

152

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		let contract_address = hex::decode("32dcab0ef3fb2de2fce1d2e0799d36239671f04a").unwrap();

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		let foo = hex::decode("c2985578").unwrap();

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		let bar = hex::decode("febb0f7e").unwrap();

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		let _ = EthereumXcm::transact(

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			RawOrigin::XcmEthereumTransaction(bob.address).into(),

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			xcm_evm_call_eip_1559_transaction(H160::from_slice(&contract_address), foo),

159

1

160

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		.expect("Failed to call `foo`");

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1

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		// Evm call failing still succesfully dispatched

163

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		let _ = EthereumXcm::transact(

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			RawOrigin::XcmEthereumTransaction(bob.address).into(),

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			xcm_evm_call_eip_1559_transaction(H160::from_slice(&contract_address), bar),

166

1

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		.expect("Failed to call `bar`");

168

1

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		assert!(pallet_ethereum::Pending::<Test>::count() == 2);

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		// Transaction is in Pending storage, with nonce 0 and status 1 (evm succeed).

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		let (transaction_0, _, receipt_0) = &pallet_ethereum::Pending::<Test>::get(0).unwrap();

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		match (transaction_0, receipt_0) {

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			(&crate::Transaction::EIP1559(ref t), &crate::Receipt::EIP1559(ref r)) => {

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				assert!(t.nonce == U256::from(0u8));

176

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				assert!(r.status_code == 1u8);

177

178

			_ => unreachable!(),

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180

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		// Transaction is in Pending storage, with nonce 1 and status 0 (evm failed).

182

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		let (transaction_1, _, receipt_1) = &pallet_ethereum::Pending::<Test>::get(1).unwrap();

183

1

		match (transaction_1, receipt_1) {

184

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			(&crate::Transaction::EIP1559(ref t), &crate::Receipt::EIP1559(ref r)) => {

185

1

				assert!(t.nonce == U256::from(1u8));

186

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				assert!(r.status_code == 0u8);

187

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			_ => unreachable!(),

189

190

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});

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1

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#[test]

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fn test_transact_xcm_validation_works() {

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	let (pairs, mut ext) = new_test_ext(2);

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	let alice = &pairs[0];

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	let bob = &pairs[1];

198

1

199

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	ext.execute_with(|| {

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		// Not enough gas limit to cover the transaction cost.

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		assert_noop!(

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			EthereumXcm::transact(

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				RawOrigin::XcmEthereumTransaction(alice.address).into(),

204

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				EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

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					gas_limit: U256::from(0x5207),

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					action: ethereum::TransactionAction::Call(bob.address),

207

1

					value: U256::one(),

208

1

					input: BoundedVec::<

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u8,

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						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

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					>::try_from(vec![])

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					.unwrap(),

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					access_list: None,

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}),

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),

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			DispatchErrorWithPostInfo {

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				post_info: PostDispatchInfo {

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					actual_weight: Some(Weight::zero()),

219

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					pays_fee: Pays::Yes,

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},

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				error: DispatchError::Other("Failed to validate ethereum transaction"),

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1

223

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);

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});

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1

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#[test]

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fn test_ensure_transact_xcm_trough_no_proxy_error() {

229

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	let (pairs, mut ext) = new_test_ext(2);

230

1

	let alice = &pairs[0];

231

1

	let bob = &pairs[1];

232

1

233

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	ext.execute_with(|| {

234

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		let r = EthereumXcm::transact_through_proxy(

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			RawOrigin::XcmEthereumTransaction(alice.address).into(),

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			bob.address,

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			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

238

1

);

239

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		assert!(r.is_err());

240

1

		assert_eq!(

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			r.unwrap_err().error,

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			sp_runtime::DispatchError::Other("proxy error: expected `ProxyType::Any`"),

243

1

);

244

1

});

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1

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#[test]

248

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fn test_ensure_transact_xcm_trough_proxy_error() {

249

1

	let (pairs, mut ext) = new_test_ext(2);

250

1

	let alice = &pairs[0];

251

1

	let bob = &pairs[1];

252

1

253

1

	ext.execute_with(|| {

254

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		let _ = Proxy::add_proxy_delegate(

255

1

			&bob.account_id,

256

1

			alice.account_id.clone(),

257

1

			ProxyType::NotAllowed,

258

1

0,

259

1

);

260

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		let r = EthereumXcm::transact_through_proxy(

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			RawOrigin::XcmEthereumTransaction(alice.address).into(),

262

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			bob.address,

263

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			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

264

1

);

265

1

		assert!(r.is_err());

266

1

		assert_eq!(

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1

			r.unwrap_err().error,

268

1

			sp_runtime::DispatchError::Other("proxy error: expected `ProxyType::Any`"),

269

1

);

270

1

});

271

1

272

273

#[test]

274

1

fn test_ensure_transact_xcm_trough_proxy_ok() {

275

1

	let (pairs, mut ext) = new_test_ext(3);

276

1

	let alice = &pairs[0];

277

1

	let bob = &pairs[1];

278

1

	let charlie = &pairs[2];

279

1

280

1

	let allowed_proxies = vec![ProxyType::Any];

281

282

1

	for proxy in allowed_proxies.into_iter() {

283

1

		ext.execute_with(|| {

284

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			let _ = Proxy::add_proxy_delegate(&bob.account_id, alice.account_id.clone(), proxy, 0);

285

1

			let alice_before = System::account(&alice.account_id);

286

1

			let bob_before = System::account(&bob.account_id);

287

1

			let charlie_before = System::account(&charlie.account_id);

288

1

289

1

			let r = EthereumXcm::transact_through_proxy(

290

1

				RawOrigin::XcmEthereumTransaction(alice.address).into(),

291

1

				bob.address,

292

1

				xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::from(100)),

293

1

);

294

1

			// Transact succeeded

295

1

			assert!(r.is_ok());

296

297

1

			let alice_after = System::account(&alice.account_id);

298

1

			let bob_after = System::account(&bob.account_id);

299

1

			let charlie_after = System::account(&charlie.account_id);

300

1

301

1

			// Alice remains unchanged

302

1

			assert_eq!(alice_before, alice_after);

303

304

			// Bob nonce was increased

305

1

			assert_eq!(bob_after.nonce, bob_before.nonce + 1);

306

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			// Bob sent some funds without paying any fees

308

1

			assert_eq!(bob_after.data.free, bob_before.data.free - 100);

309

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			// Charlie receive some funds

311

1

			assert_eq!(charlie_after.data.free, charlie_before.data.free + 100);

312

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			// Clear proxy

314

			let _ =

315

1

				Proxy::remove_proxy_delegate(&bob.account_id, alice.account_id.clone(), proxy, 0);

316

1

});

317

1

318

1

319

320

#[test]

321

1

fn test_global_nonce_incr() {

322

1

	let (pairs, mut ext) = new_test_ext(3);

323

1

	let alice = &pairs[0];

324

1

	let bob = &pairs[1];

325

1

	let charlie = &pairs[2];

326

1

327

1

	ext.execute_with(|| {

328

1

		assert_eq!(EthereumXcm::nonce(), U256::zero());

329

330

1

		EthereumXcm::transact(

331

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

332

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

333

1

334

1

		.expect("Failed to execute transaction from Alice to Charlie");

335

1

336

1

		assert_eq!(EthereumXcm::nonce(), U256::one());

337

338

1

		EthereumXcm::transact(

339

1

			RawOrigin::XcmEthereumTransaction(bob.address).into(),

340

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

341

1

342

1

		.expect("Failed to execute transaction from Bob to Charlie");

343

1

344

1

		assert_eq!(EthereumXcm::nonce(), U256::from(2));

345

1

});

346

1

347

348

#[test]

349

1

fn test_global_nonce_not_incr() {

350

1

	let (pairs, mut ext) = new_test_ext(2);

351

1

	let alice = &pairs[0];

352

1

	let bob = &pairs[1];

353

1

354

1

	ext.execute_with(|| {

355

1

		assert_eq!(EthereumXcm::nonce(), U256::zero());

356

357

1

		let invalid_transaction_cost =

358

1

			EthereumXcmTransaction::V2(

359

1

				EthereumXcmTransactionV2 {

360

1

					gas_limit: U256::one(),

361

1

					action: ethereum::TransactionAction::Call(bob.address),

362

1

					value: U256::one(),

363

1

					input: BoundedVec::<

364

1

u8,

365

1

						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

366

1

					>::try_from(vec![])

367

1

					.unwrap(),

368

1

					access_list: None,

369

1

},

370

1

);

371

1

372

1

		EthereumXcm::transact(

373

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

374

1

			invalid_transaction_cost,

375

1

376

1

		.expect_err("Failed to execute transaction from Alice to Bob");

377

1

378

1

		assert_eq!(EthereumXcm::nonce(), U256::zero());

379

1

});

380

1

381

382

#[test]

383

1

fn test_transaction_hash_collision() {

384

1

	let (pairs, mut ext) = new_test_ext(3);

385

1

	let alice = &pairs[0];

386

1

	let bob = &pairs[1];

387

1

	let charlie = &pairs[2];

388

1

389

1

	ext.execute_with(|| {

390

1

		EthereumXcm::transact(

391

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

392

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

393

1

394

1

		.expect("Failed to execute transaction from Alice to Charlie");

395

1

396

1

		EthereumXcm::transact(

397

1

			RawOrigin::XcmEthereumTransaction(bob.address).into(),

398

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

399

1

400

1

		.expect("Failed to execute transaction from Bob to Charlie");

401

1

402

1

		let mut hashes = pallet_ethereum::Pending::<Test>::iter_values()

403

2

			.map(|(tx, _, _)| tx.hash())

404

1

			.collect::<Vec<ethereum_types::H256>>();

405

1

406

1

		// Holds two transactions hashes

407

1

		assert_eq!(hashes.len(), 2);

408

409

1

		hashes.dedup();

410

1

411

1

		// Still holds two transactions hashes after removing potential consecutive repeated values.

412

1

		assert_eq!(hashes.len(), 2);

413

1

});

414

1

415

416

#[test]

417

1

fn check_suspend_ethereum_to_xcm_works() {

418

1

	let (pairs, mut ext) = new_test_ext(2);

419

1

	let alice = &pairs[0];

420

1

	let bob = &pairs[1];

421

1

422

1

	let db_weights: frame_support::weights::RuntimeDbWeight =

423

1

		<Test as frame_system::Config>::DbWeight::get();

424

1

425

1

	ext.execute_with(|| {

426

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

427

1

			RuntimeOrigin::root(),

428

1

));

429

1

		assert_noop!(

430

1

			EthereumXcm::transact(

431

1

				RawOrigin::XcmEthereumTransaction(alice.address).into(),

432

1

				xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

433

1

),

434

1

			DispatchErrorWithPostInfo {

435

1

				error: Error::<Test>::EthereumXcmExecutionSuspended.into(),

436

1

				post_info: PostDispatchInfo {

437

1

					actual_weight: Some(db_weights.reads(1)),

438

1

					pays_fee: Pays::Yes

439

1

440

1

441

1

);

442

443

1

		assert_noop!(

444

1

			EthereumXcm::transact_through_proxy(

445

1

				RawOrigin::XcmEthereumTransaction(alice.address).into(),

446

1

				bob.address,

447

1

				xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

448

1

),

449

1

			DispatchErrorWithPostInfo {

450

1

				error: Error::<Test>::EthereumXcmExecutionSuspended.into(),

451

1

				post_info: PostDispatchInfo {

452

1

					actual_weight: Some(db_weights.reads(1)),

453

1

					pays_fee: Pays::Yes

454

1

455

1

456

1

);

457

1

});

458

1

459

460

#[test]

461

1

fn transact_after_resume_ethereum_to_xcm_works() {

462

1

	let (pairs, mut ext) = new_test_ext(2);

463

1

	let alice = &pairs[0];

464

1

	let bob = &pairs[1];

465

1

466

1

	ext.execute_with(|| {

467

1

		let bob_before = System::account(&bob.account_id);

468

1

469

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

470

1

			RuntimeOrigin::root()

471

1

));

472

473

1

		assert_ok!(EthereumXcm::resume_ethereum_xcm_execution(

474

1

			RuntimeOrigin::root()

475

1

));

476

1

		assert_ok!(EthereumXcm::transact(

477

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

478

1

			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

479

1

));

480

1

		let bob_after = System::account(&bob.account_id);

481

1

482

1

		// Bob sent some funds without paying any fees

483

1

		assert_eq!(bob_after.data.free, bob_before.data.free + 100);

484

1

});

485

1

486

487

#[test]

488

1

fn transact_through_proxy_after_resume_ethereum_to_xcm_works() {

489

1

	let (pairs, mut ext) = new_test_ext(3);

490

1

	let alice = &pairs[0];

491

1

	let bob = &pairs[1];

492

1

	let charlie = &pairs[2];

493

1

494

1

	ext.execute_with(|| {

495

1

		let _ =

496

1

			Proxy::add_proxy_delegate(&bob.account_id, alice.account_id.clone(), ProxyType::Any, 0);

497

1

		let alice_before = System::account(&alice.account_id);

498

1

		let bob_before = System::account(&bob.account_id);

499

1

		let charlie_before = System::account(&charlie.account_id);

500

1

501

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

502

1

			RuntimeOrigin::root()

503

1

));

504

505

1

		assert_ok!(EthereumXcm::resume_ethereum_xcm_execution(

506

1

			RuntimeOrigin::root()

507

1

));

508

1

		assert_ok!(EthereumXcm::transact_through_proxy(

509

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

510

1

			bob.address,

511

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::from(100)),

512

1

));

513

514

1

		let alice_after = System::account(&alice.account_id);

515

1

		let bob_after = System::account(&bob.account_id);

516

1

		let charlie_after = System::account(&charlie.account_id);

517

1

518

1

		// Alice remains unchanged

519

1

		assert_eq!(alice_before, alice_after);

520

521

		// Bob nonce was increased

522

1

		assert_eq!(bob_after.nonce, bob_before.nonce + 1);

523

524

		// Bob sent some funds without paying any fees

525

1

		assert_eq!(bob_after.data.free, bob_before.data.free - 100);

526

527

		// Charlie receive some funds

528

1

		assert_eq!(charlie_after.data.free, charlie_before.data.free + 100);

529

1

});

530

1